Bag



FIG. 1 is a top, front, and left-side perspective view of a bag showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front, right side, and bottom perspective view thereof.

The broken lines illustrate portions of the thread and portions of the strap of the bag that form no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown and described. 